Bevacizumab offers no benefit for newly diagnosed glioblastoma (brain) cancer patients, MD Anderson-led study finds. Mark Gilbert, M.D., professor in Neuro-Oncology at MD Anderson Cancer Center, and Minesh Mehta, M.D., Ph.D., chairman of Radiation Oncology at the University of Maryland School of Medicine, discuss their study in the front line setting for the treatment of glioblastoma.